大约有 47,000 项符合查询结果(耗时:0.0546秒) [XML]
m>Me m>mory managem>me m>nt in Qt?
I'm quite new to Qt and am wondering on som>me m> basic stuff with m>me m>mory managem>me m>nt and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
...
Why Large Object Heap and why do we care?
...cts the heap. That's a very important optimization. It doesn't just make m>me m>mory usage more efficient (no unused holes), it makes the CPU cache much more efficient. The cache is a really big deal on modern processors, they are an easy order of magnitude faster than the m>me m>mory bus.
Compacting is d...
Make JQuery UI Dialog automatically grow or shrink to fit its contents
...
Update: As of jQuery UI 1.8, the working solution (as m>me m>ntioned in the second comm>me m>nt) is to use:
width: 'auto'
Use the autoResize:true option. I'll illustrate:
<div id="whatup">
<div id="inside">Hi there.</div>
</div>
<script>
...
How to allow only one radio button to be checked?
...he buttons. But I don't know why I can check multiple radio buttons, which m>me m>ssed m>me m> up. It is supposed to only let m>me m> check on one radio button and I had that som>me m>how but I lost it. Any help? Thank you.
...
How to get an object's property's value by property nam>me m>?
... PowerShell, how do you get an object's property value by specifying its nam>me m> (a string)? I want som>me m>thing like the following:
...
Difference between abstraction and encapsulation?
... encapsulation; in pseudocode:
point x = { 1, 4 }
point y = { 23, 42 }
num>me m>ric d = distance(x, y)
Here, distance encapsulates the calculation of the (Euclidean) distance between two points in a plane: it hides implem>me m>ntation details. This is encapsulation, pure and simple.
Abstraction is the pro...
How to find the nearest parent of a Git branch?
...ing commit DAG. As such, the relationship between branches can vary over tim>me m>, but the relationship between commits does not.
---o---1 foo
\
2---3---o bar
\
4
\
5---6 baz
...
Recover from git reset --hard?
... the .git/lost-found/ directory; from there you can use git show <filenam>me m>> to see the contents of each file.)
If not, the answer here would be: look at your backup. Perhaps your editor/IDE stores temp copies under /tmp or C:\TEMP and things like that.[1]
git reset HEAD@{1}
This will resto...
How to show all privileges from a user in oracle?
Can som>me m>one please tell m>me m> how to show all privileges/rules from a specific user in the sql-console?
6 Answers
...
How to turn off the Eclipse code formatter for certain sections of Java code?
I've got som>me m> Java code with SQL statem>me m>nts written as Java strings (please no OR/M flam>me m>wars, the embedded SQL is what it is - not my decision).
...
